Malware Analysis Report

2025-01-02 09:31

Sample ID 240509-2vpn9aef77
Target 4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de
SHA256 4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de
Tags
gcleaner loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de

Threat Level: Known bad

The file 4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de was found to be: Known bad.

Malicious Activity Summary

gcleaner loader

GCleaner

Deletes itself

Program crash

Unsigned PE

Enumerates physical storage devices

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 22:54

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 22:54

Reported

2024-05-09 22:59

Platform

win7-20240508-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe"

Signatures

GCleaner

loader gcleaner

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Enumerates physical storage devices

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe

"C:\Users\Admin\AppData\Local\Temp\4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp

Files

memory/1216-1-0x0000000002640000-0x0000000002740000-memory.dmp

memory/1216-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1216-2-0x0000000000220000-0x000000000024D000-memory.dmp

memory/1216-7-0x0000000002640000-0x0000000002740000-memory.dmp

memory/1216-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1216-5-0x0000000000400000-0x000000000257A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 22:54

Reported

2024-05-09 22:59

Platform

win10-20240404-en

Max time kernel

194s

Max time network

257s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe"

Signatures

GCleaner

loader gcleaner

Enumerates physical storage devices

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe

"C:\Users\Admin\AppData\Local\Temp\4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 760

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 1112

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 1176

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 1264

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "4ae8ad0a04b45d80eded613cf8a6ec7b21df118d04212ab9d07a089de6d189de.exe" /f

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp
US 8.8.8.8:53 90.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp

Files

memory/2540-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2540-2-0x00000000025E0000-0x000000000260D000-memory.dmp

memory/2540-1-0x00000000026D0000-0x00000000027D0000-memory.dmp

memory/2540-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2540-5-0x0000000000400000-0x000000000257A000-memory.dmp